EXPERIMENTAL STUDY ON MITIGATION OF LIQUEFACTION-INDUCED FLOTATION OF SEWERAGE MANHOLE BY USING PERMEABLE RECYCLED MATERIALS PACKED IN SANDBAGS
The 2004 Niigata Chuetsu earthquake in Japan caused serious damage to sewerage facilities such as uplift of manholes and settlement of pavement above backfill soil for pipes. This paper deals with shaking table tests in a 1-g gravity field on application of permeable recycled materials for ground improvement to mitigation of liquefaction-induced flotation of manhole during earthquakes. The recycled materials used in tests were tire chips made of waste tires and crushed gravels made of waste reinforced concrete, and they were packed in sandbags. From the test results, it was confirmed that the recycled materials packed in sandbags could be treated as one of the countermeasures to restrain the flotation of manholes and settlement of ground surrounded by sandbags.
Liquefaction shaking table test recycled material sandbag manhole
M.Yoshida M.Miyajima M.Kitaura
Associate Professor,Dept.of Civil Engineering,Fukui National College of Technology,Sabae,Japan Professors,School of Environmental Design,Kanazawa University,Kanazawa,Japan
国际会议
14th World Conference on Earthquake Engineering(第十四届国际地震工程会议)
北京
英文
2008-10-12（万方平台首次上网日期，不代表论文的发表时间）